#include <QtCore/QCoreApplication>
#include <QVector>
#include <iostream>
#include<canvass.h>
#include<QDebug>
#include<vector>
#include<QApplication>
#include<mainwindow.h>

int main(int argc, char *argv[])
{
     QApplication a(argc, argv);
    MainWindow *a1=new MainWindow();
    a1->show();


    return a.exec();
}
